package com.yaxin.heshanghui.utils;

import java.util.List;

public class BiuooComparePhoneUtil {
    private static volatile BiuooComparePhoneUtil singleton;

    private BiuooComparePhoneUtil() {
    }

    public static BiuooComparePhoneUtil getInstance() {
        if (singleton == null) {
            synchronized (BiuooComparePhoneUtil.class) {
                if (singleton == null) {
                    singleton = new BiuooComparePhoneUtil();
                }
            }
        }
        return singleton;
    }

    public boolean isEmpty(List list) {
        return list == null || list.size() <= 0;
    }
}
